# Lesson 6Taking SidesPractice Understanding

Graph each set of equations and find the point where they intersect.

Point:

Point:

Point:

Point:

## Set

Each inequality below was solved incorrectly. Identify the mistakes that were made. Then, correct the mistakes and provide the correct solution.

### 8.

Solve each inequality.

## Go

Solve each literal equation for the indicated variable.

### 13.

The area formula of a regular polygon is . The variable represents the apothem and represents the perimeter of the polygon. Solve the equation for the apothem, .

### 14.

The equation is the equation of a line. Solve the equation for .

### 15.

The equation for the circumference, , of a circle with radius is . Solve the equation for the radius, .

### 16.

The equation for the area of a circle, , based on diameter, , is . Solve the equation to isolate the diameter, .